Erepublik

-------------------
* Added expiration data to inventory items
* Inventory is now based on `classes.Inventory`
* Requirement update to make them more flexible regarding versions required
* Restructured inventory

-------------------
* Fixed carpet bombing
* Fixed hits done amount when fighting on ground
* Minor requirement updates
* Minor tweaks to method signatures
* Fixed buy food if unable to work or train because not enough energy and not enough food
* Fixed applications for party presidency and congress if not a party member
* Removed tox
* Updates to github.io config generator
* Fixed `Citizen.concurrency_available` stuck in unset state if exception is being raised while doing concurrency task

-------------------
* Added concurrency checks to guard against simultaneous fighting/wam'ing/traveling
* For concurrency checking use `utils.wait_for_lock` decorator

-------------------
* Separated battle finding logic from CitizenMilitary.find_battle_and_fight method
* Base dmg calculations
* Get max hit value for divisions on current side
* Added method to get division stats
* Wheel of fortune updates

-------------------
* ***0.23 - last officially supported version for Python 3.7.***
* Added `Config.maverick` switch, to allow/deny automated fighting in non native divisions if the player has MaverickPack
* Added `CitizenMedia.get_article(article_id:int)` method to get article data
* Added `CitizenMedia.delete_article(article_id:int)` method to delete article
* Fixed `CitizenTravel.travel_to_region(region_id:int)` method
* Added `CitizenAnniversary.collect_map_quest_node(node_id:int, extra:bool=False)` to collect also extra rewards
* Fixed `CitizenTasks.work()` when employer out of money - resign and find a new job
* Fixed `CitizenEconomy.post_market_offer()`

-------------------
* Fixed round to even bug when doing wam and not enough raw.
* Added meta industry airplaneRaw
* Added method `Citizen.buy_market_offer(OfferItem, amount=None)` to directly buy market offer with included travel to country and back.